Find the following values without a calculator.
Give your answers in this manner. (Eg 1, 2, 3, 4)
- 54 ones = _____
- 8 tens = _____
- 3 tens 1 ones = _____
- 4 tens 19 ones = _____
(a)
54 ones
= 54 x 1
= 54
(b)
8 tens
= 8 x 10
= 80
(c)
3 tens 1 ones
= 3 x 10 + 1 x 1
= 30 + 1
= 31
(d)
4 tens 19 ones
= 4 x 10 + 19 x 1
= 40 + 19
= 59
Answer(s): 54, 80, 31, 59